Denial of Service Flaw in Oracle MySQL Server Affects Multiple Versions
CVE-2025-21531

4.9MEDIUM

Key Information:

Vendor

Oracle
Status
Mysql Cluster
Mysql Server
Vendor
CVE Published:
21 January 2025

What is CVE-2025-21531?

A vulnerability exists in the Oracle MySQL Server, specifically within the InnoDB component, allowing an attacker with high privileges and network access to exploit the server. This can lead to severe consequences, such as inducing a hang or recurrent crashes, effectively resulting in a denial-of-service (DoS) scenario. The impact affects specific supported versions, making it crucial for users to assess and apply recommended patches to mitigate potential risks.

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Affected Version(s)

MySQL Cluster * <= 7.6.32

MySQL Cluster * <= 8.0.40

MySQL Cluster * <= 8.4.3

References

https://www.oracle.com/security-alerts/cpujan2025.html
vendor-advisory

CVSS V3.1

Score:
4.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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